Caulking gun



FIG. 1 is a front, right, top perspective view of a caulking gun showingmy new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof;

FIG. 8 is a front, left, top perspective view thereof;

FIG. 9 is a front, right, top perspective view of the caulking gun, witha trigger and plunger assembly depicted in broken lines; and,

FIG. 10 is a rear, left, and bottom perspective view of the caulkinggun, with a trigger and plunger assembly depicted in broken lines.

The broken lines in the drawings illustrate portions of the caulking gunwhich form no part of the claimed design.

CLAIM I claim the ornamental design for a caulking gun, as shown anddescribed.